Lunar use cases¶
Summary. ADD Rev C lists 163 lunar use cases in Appendix B.2.1 (pp. 110–117). Each is one of the "Operations that would be executed to produce the desired needs and/or characteristics" (ADD Rev C, p. 17), and each has only an ID and a one-line title. This page reproduces the list in NASA's wording, grouped by the letter in the ID. A last column shows which technology gaps trace to each use case: 61 of the 163 are cited by at least one gap.
How to read the IDs, and what the list leaves out, is on Use cases and functions. The functions are on Lunar functions. The Mars list, numbered independently, is on Mars use cases.
How this page is built¶
- Titles are quoted from the ADD's table "Lunar Use Case", and every page (pp. 110–117) was checked against the PDF. Where the text layer runs two words together at a line break, the rendered form is used: "long-durations", "long-term" and "environments-related", not "longdurations", "longterm" and "environmentsrelated". The ADD's own spellings are kept as printed, such as "assets(s)" and "at assets in cislunar asset(s)". On pp. 114–117 the text layer separates IDs from their titles, so those pairings were read from the PDF.
- Order is the ADD's. The list has no sub-headings. The headings below, and the sub-architecture each letter stands for, are the wiki's reading of the ADD's p. 40 table (Sub-architectures).
- Counts are made from the list, by ID.
-
"Tech gaps" column. Derived from the tech-gap spreadsheet's "Architecture Traceability: Use Cases & Functions" field, which pairs a use case with a function (tech gaps spreadsheet). ADD Appendix D prints the same pairs (gaps index). After each gap, the function it pairs with is in brackets:
- "All FN" is the sheet's own entry; Appendix B.2 doesn't say which functions it covers.
- "no function" means the sheet lists the use case alone.
An empty cell means no tech gap cites the use case. It doesn't mean nothing is needed. For the lunar "All FN" entries, the gaps index lists the functions that the lunar decomposition spreadsheet puts under each use case (gaps index).
-
Objectives and functions for each use case come from the lunar objective decomposition spreadsheet:
- the objectives each use case serves, in HLR and FE+: Lunar objectives
- the 17 use cases it gives no function: Lunar objectives
Its "FE+ Use Cases" sheet has the same 163 IDs, order and titles as this page (source page). This page has no objective or function columns; the objective pages carry those links (open question 44).
At a glance¶
| Letter | Sub-architecture (wiki's reading of p. 40) | Pages | Use cases | Cited by a tech gap |
|---|---|---|---|---|
| T | Transportation Systems | 110–111 | 28 | 8 |
| G | Infrastructure Support | 111 | 4 | 0 |
| H | Habitation Systems | 111 | 8 | 6 |
| X | Human Systems | 112 | 7 | 4 |
| L | Logistics Systems | 112 | 2 | 2 |
| P | Power Systems | 112 | 6 | 6 |
| M | Mobility Systems | 112–113 | 10 | 4 |
| C | C&PNT Systems | 113 | 11 | 3 |
| D | Data Systems and Management | 113 | 3 | 1 |
| A | Autonomous Systems and Robotics | 113–114 | 12 | 8 |
| I | ISRU Systems | 114 | 10 | 7 |
| U | Utilization Systems | 114–117 | 62 | 12 |
| Total | 110–117 | 163 | 61 |
Utilization (U) holds more than a third of the list. Most of its entries are science payloads, sample collection and environmental monitoring (UC-U-7xx L alone has 28).
T: Transportation (pp. 110–111)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-T-101 L | Transportation of crew from Earth to cislunar space | |
| UC-T-102 L | Staging of crewed lunar surface missions from cislunar space | |
| UC-T-103 L | Aggregation and physical assembly of spacecraft components in cislunar space | |
| UC-T-104 L | Transportation of crew between cislunar space and the lunar surface | |
| UC-T-105 L | Transportation of crew between cislunar space and lunar south pole region landing sites | |
| UC-T-106 L | Transportation of crew from cislunar space to distributed landing sites outside of the south pole region on the lunar surface | |
| UC-T-107 L | Transportation of crew from the lunar surface to cislunar space | |
| UC-T-108 L | Transportation of crew from cislunar space to Earth | |
| UC-T-201 L | Transportation of small cargo from Earth to distributed locations outside of the south pole region on the lunar surface | |
| UC-T-202 L | Transportation of large cargo from Earth to the lunar surface | |
| UC-T-203 L | Transportation of cargo from cislunar space to Earth | |
| UC-T-204 L | Transportation of cargo from the lunar surface to cislunar space | |
| UC-T-301 L | Return of a small amount of unconditioned samples and containers (10s of kg) from the lunar surface to Earth with the samples in sealed sample containers | |
| UC-T-302 L | Return of a large amount of unconditioned samples and containers (100s of kg) from the lunar surface to Earth with the samples in sealed sample containers | |
| UC-T-303 L | Return of a small amount of refrigerated samples and containers (10s of kg) from the lunar surface to Earth with the samples in sealed conditioned sample containers | #1201 (All FN) |
| UC-T-304 L | Return of a large amount of refrigerated samples and containers (100s of kg) from the lunar surface to Earth with the samples in sealed conditioned sample containers | #1201 (All FN) |
| UC-T-305 L | Return of a small amount of frozen samples and containers (10s of kg) from the lunar surface to Earth with the samples in sealed conditioned sample containers | #1201 (All FN) |
| UC-T-306 L | Return of a large amount of frozen samples and containers (100s of kg) from the lunar surface to Earth with the samples in sealed conditioned sample containers | #1201 (All FN) |
| UC-T-307 L | Return of a large amount of cryogenic samples and containers (100s of kg) from the lunar surface to Earth with the samples in sealed conditioned sample containers | #1201 (All FN) |
| UC-T-308 L | Return of a small amount of unconditioned samples and containers (10s of kg) from cislunar space to Earth with the samples in sealed sample containers | |
| UC-T-309 L | Return of a large amount of unconditioned samples and containers (100s of kg) from cislunar space to Earth with the samples in sealed sample containers | |
| UC-T-310 L | Return of a small amount of refrigerated samples and containers (10s of kg) from cislunar space to Earth with the samples in sealed conditioned sample containers | |
| UC-T-311 L | Return of a large amount of refrigerated samples and containers (100s of kg) from cislunar space to Earth with the samples in sealed conditioned sample containers | |
| UC-T-312 L | Return of a small amount of frozen samples and containers (10s of kg) from cislunar space to Earth with the samples in sealed conditioned sample containers | |
| UC-T-313 L | Return of a large amount of frozen samples and containers (100s of kg) from cislunar space to Earth with the samples in sealed conditioned sample containers | |
| UC-T-401 L | Landing of crew lander(s) at specific pre-defined locations | #1101 (All FN) |
| UC-T-402 L | Landing of cargo lander(s) at specific pre-defined locations | #1101 (All FN) |
| UC-T-501 L | Testing, contingency planning, and edge-case analyses of in-space systems | #0302 (no function) |
UC-T-103 L is the use case from which Revision B.1 "Removed allocation of FN-T-103 L" (ADD Rev C, p. 4). The revision history quotes its title in lower case, otherwise as here (ADD source page). The lunar decomposition spreadsheet reflects the change: neither its HLR nor its FE+ sheet pairs the two. Its FE+ functions for UC-T-103 L are FN-T-106 L, FN-T-217 L and FN-C-103 L (source page).
G: Infrastructure Support (p. 111)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-G-101 L | Ground support on Earth for the launch of large nuclear assets | |
| UC-G-201 L | Delivery of conditioned cargo to curation facilities or other appropriate facilities on Earth after landing, while maintaining scientific integrity of the samples | |
| UC-G-202 L | Delivery of collected samples to curation facilities or other appropriate facilities on Earth, while maintaining scientific integrity of the samples | |
| UC-G-301 L | Provision of advanced geology training, integrated geology and EVA ops training, as well as detailed objective-specific training to astronauts for science activities |
H: Habitation (p. 111)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-H-101 L | Crew habitation of assets on the lunar surface for short-durations (days to weeks) | |
| UC-H-102 L | Crew habitation of assets on the lunar surface for mid-durations (month+) | #0303 (FN-H-102 L); #0306 (FN-H-102 L) |
| UC-H-103 L | Crew habitation of assets for mid-duration (month+) mission(s) in cislunar space | #0303 (FN-H-104 L) |
| UC-H-104 L | Crew habitation of assets for long-duration (year+) mission(s) in cislunar space | #0303 (FN-H-105 L) |
| UC-H-105 L | Reuse of habitation system(s) on the lunar surface | #0301 (FN-H-201 L) |
| UC-H-106 L | Reuse of habitation system(s) in cislunar space | |
| UC-H-201 L | Monitoring of system performance and failures during crewed and uncrewed increments in habitats on the lunar surface | #0304 (no function); #1003 (no function) |
| UC-H-202 L | Monitoring of system performance and failures during crewed and uncrewed increments in habitats in cislunar space | #0304 (no function); #1003 (no function) |
X: Human Systems (p. 112)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-X-101 L | Medical capabilities on the lunar surface | #0405 (FN-X-101 L, FN-D-105 L) |
| UC-X-102 L | Medical capabilities in cislunar space | #0405 (FN-X-102 L, FN-D-106 L) |
| UC-X-103 L | Crew countermeasure capabilities to support the crew for mid-durations (month+) on the lunar surface | #0401, #0402, #0403, #0404, #0405 (all FN-X-103 L) |
| UC-X-104 L | Crew countermeasure capabilities to support the crew for mid- (month+) to long-durations (year+) in cislunar space | #0401, #0402, #0403, #0404, #0405 (all FN-X-104 L) |
| UC-X-201 L | In-situ crew training on the lunar surface | |
| UC-X-202 L | In-situ crew training in cislunar space | |
| UC-X-203 L | Provision of in-situ training to astronauts for science tasks during mission(s) on the lunar surface |
L: Logistics (p. 112)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-L-201 L | Resupply of cargo and management of waste to/from habitable assets on the lunar surface | #0701 (FN-L-201 L); #0702 (FN-L-301 L); #0807 (FN-L-101 L, FN-L-205 L) |
| UC-L-202 L | Resupply of cargo and management of waste to/from habitable assets in cislunar space | #0702 (FN-L-302 L); #1001 (FN-T-106 L) |
P: Power (p. 112)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-P-101 L | Power generation and energy storage at south pole region on the lunar surface | #0901 (All FN) |
| UC-P-102 L | Power generation and energy storage at multiple distributed locations outside of the south pole region on the lunar surface | #0901 (All FN) |
| UC-P-301 L | Power distribution around power generation and energy storage system(s) in the south pole region on the lunar surface | #0903 (All FN) |
| UC-P-302 L | Power distribution from power generation and energy storage system(s) at multiple distributed locations outside of the south pole region on the lunar surface | #0903 (All FN) |
| UC-P-501 L | Continuous power provision to assets during mission critical activities | #0901 (no function) |
| UC-P-502 L | Continuous power provision to assets in off-nominal conditions | #0901 (no function) |
M: Mobility (pp. 112–113)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-M-101 L | Conduct of crew extravehicular operations on the lunar surface | #0406 (All FN); #0801 (FN-M-101 L); #0807 (FN-M-203 L) |
| UC-M-102 L | Conduct of crew extravehicular operations in cislunar space | #0406 (All FN) |
| UC-M-103 L | Crew use of tools to assist in performing extravehicular activities, sample collection and suit cleaning | |
| UC-M-301 L | Conduct of crew excursions to locations in sunlit areas and non-PSRs at distributed locations outside of the south pole region around landing site | |
| UC-M-302 L | Conduct of crew excursions to locations around landing site in sunlit areas and non-PSRs in the south pole region | |
| UC-M-303 L | Conduct of crew excursions in PSRs around landing site at the south pole region | |
| UC-M-401 L | Unloading of large cargo on the lunar surface | #0808 (FN-M-403 L) |
| UC-M-402 L | Unloading of small cargo on the lunar surface | |
| UC-M-601 L | Demonstration of uncrewed relocation of exploration assets to sites around the lunar south pole region | #0101 (FN-C-201 L); #0808 (FN-M-601 L) |
| UC-M-602 L | Demonstration of uncrewed relocation of exploration assets to sites at distributed locations outside of the south pole region on the lunar surface |
C: Communications and PNT (p. 113)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-C-101 L | Communications and data exchange with high bandwidth and high availability between assets on the lunar surface and the Earth | |
| UC-C-102 L | Communications and data exchange with high bandwidth and high availability between assets at a variety of different locations on the lunar surface | #0103 (FN-C-107 L) |
| UC-C-103 L | Communications and data exchange with high bandwidth and high availability between assets in cislunar space and the Earth | |
| UC-C-104 L | Communications and data exchange with high bandwidth and high availability between assets in cislunar space and the lunar surface | |
| UC-C-201 L | Determination of position, navigation, and timing by crew and assets in cislunar space | |
| UC-C-202 L | Determination of position, navigation, and timing by crew and assets at the south pole region on the lunar surface | #0101 (FN-C-201 L) |
| UC-C-203 L | Crew or robotics utilization of position, navigation, and timing for accurate sample tracking at the south pole region on the lunar surface | #0101 (FN-C-201 L) |
| UC-C-204 L | Determination of position, navigation, and timing by crew and assets at distributed sites on the lunar surface | |
| UC-C-205 L | Crew or robotics utilization of position, navigation, and timing for accurate sample tracking at distributed sites on the lunar surface | |
| UC-C-206 L | Determination of position, navigation, and timing by crew and assets at the far side of the lunar surface | |
| UC-C-207 L | Crew or robotics utilization of position, navigation, and timing for accurate sample tracking at the far side on the lunar surface |
D: Data Systems and Management (p. 113)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-D-101 L | Aggregation and storage of data on the lunar surface until it is able to be transmitted and confirmed received | |
| UC-D-102 L | Aggregation and storage of data in cislunar space until it is able to be transmitted and confirmed received | |
| UC-D-201 L | Storage and local processing of space weather data | #0202 (All FN) |
A: Autonomous Systems and Robotics (pp. 113–114)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-A-101 L | Robotic assistance of crew exploration, site surveying, sample and resource locating, documentation, and sample retrieval from PSRs | #0201 (FN-A-202 L); #0804 (FN-A-202 L); #1005 (FN-A-102 L) |
| UC-A-102 L | Maintenance and repair operations using robotic system(s) in cislunar space as appropriate | |
| UC-A-103 L | Robotic support of logistic operations on the lunar surface as necessary | #0806 (All FN) |
| UC-A-104 L | Robotic assistance of crew exploration, site surveying, sample and resource locating, documentation, and sample retrieval from sunlit areas and non-PSRs | #1005 (FN-A-101 L) |
| UC-A-105 L | Maintenance and repair operations using robotic system(s) on the lunar surface as appropriate | #0501 (FN-A-201 L) |
| UC-A-106 L | Robotic surveillance of PSRs near potential crewed landing and exploration sites to identify locations of interest | #0804 (FN-A-202 L) |
| UC-A-107 L | Robotic assistance of activities in space | #1001 (FN-A-204 L) |
| UC-A-201 L | Remote management of robotic system(s) during surface operation as necessary | #0201 (FN-A-202 L); #0805 (FN-A-201 L); #1002 (FN-A-301 L) |
| UC-A-202 L | Remote management of robotic system(s) during in space operation as necessary | |
| UC-A-301 L | Safe and effective interaction between crew and autonomous asset(s) | #1002, #1004, #1005 (all FN-A-302 L) |
| UC-A-401 L | Operation of transportation assets(s) in cislunar space from Earth during uncrewed segments | |
| UC-A-402 L | Operation of transportation assets(s) on the lunar surface from Earth during uncrewed segments |
I: ISRU (p. 114)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-I-101 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of ISRU on the lunar surface with long-term remote operation | |
| UC-I-102 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of oxygen recovery from lunar regolith | #0601 (All FN); #1106 (FN-I-105 L); #1107 (FN-I-107 L) |
| UC-I-103 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of water recovery from the lunar regolith in the polar regions | #0603 (All FN) |
| UC-I-104 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of water transfer from ISRU production assets to other exploration assets | |
| UC-I-105 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of gas transfer from ISRU production assets to other exploration assets | |
| UC-I-106 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of operational techniques to recover and refine metals from the lunar regolith | #0604 (All FN) |
| UC-I-201 L | Deployment and operation of utilization payload(s) and/or equipment related to autonomous construction demonstration utilization payload(s) on the lunar surface with long-term remote operation | #0504 (FN-I-205 L) |
| UC-I-202 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of autonomous construction techniques, e.g., collection of regolith, processing regolith into feedstock, and regolith construction | #0505 (FN-I-205 L); #0605 (All FN) |
| UC-I-203 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of regolith based additive/subtractive manufacturing techniques | #0502 (FN-I-207 L) |
| UC-I-204 L | Deployment and operation of utilization payload(s) and/or equipment related to advanced manufacturing demonstration on the lunar surface with long-term remote operation | #0502 (FN-I-206 L) |
U: Utilization (pp. 114–117)¶
| ID | Lunar use case | Tech gaps |
|---|---|---|
| UC-U-101 L | Orbital survey(s) of lunar surface before, during, and after crew mission | |
| UC-U-102 L | Robotic surveillance of potential crewed landing and exploration sites in sunlit areas and non-PSRs in the south pole region on the lunar surface to identify locations of interest | |
| UC-U-103 L | Crew identification of surface samples in sunlit areas and non-PSRs in the south pole region on the lunar surface | |
| UC-U-104 L | Crew identification of surface samples in PSRs | |
| UC-U-105 L | Robotic surveillance of potential crewed landing and exploration sites in sunlit areas and non-PSRs in distributed sites on the lunar surface to identify locations of interest | |
| UC-U-106 L | Robotic surveillance of potential crewed landing and exploration sites in sunlit areas and non-PSRs on the far side on the lunar surface to identify locations of interest | |
| UC-U-107 L | Crew identification of surface samples in sunlit areas and non-PSRs in distributed sites on the lunar surface | |
| UC-U-108 L | Crew identification of surface samples in sunlit areas and non-PSRs in the far side on the lunar surface | |
| UC-U-201 L | Intravehicular science and utilization activities on the lunar surface | |
| UC-U-202 L | Deployment and operation of utilization payload(s) and/or equipment at cislunar asset(s) | |
| UC-U-203 L | Deployment and operation of free-flying assets long-term in a variety of lunar orbits | |
| UC-U-204 L | Setup of utilization payload(s) and/or equipment on the lunar surface with long-term remote operation | |
| UC-U-301 L | Collection, documentation, and packaging of surface and/or shallow subsurface samples, maintaining scientific integrity of the samples, from non-PSRs and sunlit areas in the south pole region on the lunar surface | |
| UC-U-302 L | Collection, recovery, and packaging of deep subsurface samples, maintaining scientific integrity of the samples, from non-PSRs and other sunlit areas in the south pole region on the lunar surface | |
| UC-U-303 L | Collection, recovery, and packaging of surface and/or shallow subsurface samples, maintaining scientific integrity of the samples, from PSRs on the lunar surface | |
| UC-U-304 L | Collection, recovery, and packaging of deep subsurface samples, maintaining scientific integrity of the samples, from PSRs on the lunar surface | |
| UC-U-305 L | Collection, documentation, and packaging of surface and/or shallow subsurface samples, maintaining scientific integrity of the samples, from non-PSRs and sunlit areas in distributed locations on the lunar surface | |
| UC-U-306 L | Collection, documentation, and packaging of surface and/or shallow subsurface samples, maintaining scientific integrity of the samples, from non-PSRs and sunlit areas in the far side on the lunar surface | |
| UC-U-307 L | Collection, recovery, and packaging of deep subsurface samples, maintaining scientific integrity of the samples, from non-PSRs and other sunlit areas in distributed sites on the lunar surface | |
| UC-U-308 L | Collection, recovery, and packaging of deep subsurface samples, maintaining scientific integrity of the samples, from non-PSRs and other sunlit areas in the far side on the lunar surface | |
| UC-U-501 L | Deployment and operation of exploration assets, including utilization payload(s) and/or equipment, related to demonstration of operational techniques to transfer fluid and/or propellant on the lunar surface | #0503 (FN-U-507 L); #1107 (FN-U-507 L) |
| UC-U-502 L | Deployment and operation of exploration assets, including utilization payload(s) and/or equipment, related to demonstration of transfer fluid and/or propellant in space | #0503 (FN-U-508 L); #1107 (FN-U-508 L) |
| UC-U-503 L | Deployment and operation of exploration assets, including utilization payload(s) and/or equipment, related to demonstration of propellant storage for long-durations (year+) in space | #1106 (FN-U-504 L) |
| UC-U-504 L | Deployment and operation of exploration assets, including utilization payload(s) and/or equipment, related to demonstration of propellant storage for long-durations (year+) on the lunar surface | #1106 (FN-U-503 L) |
| UC-U-601 L | Crew conduct of biological science and human research activities in cislunar space | |
| UC-U-602 L | Crew conduct of biological science and human research activities on the lunar surface | |
| UC-U-603 L | Crew conduct of biological science and human research activities during crew transit between Earth and cislunar space | |
| UC-U-701 L | Deployment and operation of utilization payloads and/or equipment related to Impact Chronology on the lunar surface with long-term remote operation | |
| UC-U-702 L | Deployment and operation of utilization payload(s) and/or equipment related to Geologic Processes on the lunar surface with long-term remote operation | |
| UC-U-703 L | Deployment and operation of utilization payload(s) and/or equipment related to Solar System Volatiles on the lunar surface at the south pole region with long-term remote operation | |
| UC-U-704 L | Deployment and operation of utilization payload(s) and/or equipment related to Solar System Volatiles at distributed locations on the lunar surface with long-term remote operation | |
| UC-U-705 L | Deployment and operation of Heliophysics utilization payload(s) and/or equipment on the lunar surface with long-term remote operation | |
| UC-U-706 L | Deployment and operation of Heliophysics utilization payload(s) and/or equipment at cislunar asset(s) with long term remote operation | |
| UC-U-707 L | Deployment and operation of utilization payload(s) and/or equipment related to space weather, including the ability to conduct long looks at the Sun, at assets in cislunar space | |
| UC-U-708 L | Deployment and operation of utilization payload(s) and/or equipment related to space weather at assets in deep space | |
| UC-U-709 L | Deployment and operation of utilization payload(s) and/or equipment related to Magnetotail and Solar Wind on the lunar surface with long-term remote operation | |
| UC-U-710 L | Deployment and operation of plasma utilization payload(s) on the lunar surface with long-term remote operation | |
| UC-U-711 L | Deployment and operation of astrophysics and fundamental physics utilization payload(s) and/or equipment on the far side of the lunar surface with long-term remote operation | |
| UC-U-712 L | Conduct of fundamental physics and astrophysics experiments on the lunar surface | |
| UC-U-713 L | Conduct of fundamental physics and astrophysics experiments in cislunar space | |
| UC-U-714 L | Crew conduct of fundamental physics and astrophysics experiments during crew transit between Earth and cislunar space | |
| UC-U-715 L | Deployment and operation of physical systems and fundamental physics utilization payload(s) and/or equipment at asset(s) or as freeflyers in cislunar space with long-term remote operation | |
| UC-U-716 L | Deployment and operation of physical systems and fundamental physics utilization payload(s) and/or equipment on the lunar surface with long-term remote operation | |
| UC-U-717 L | Deployment and operation of utilization payload(s) and/or equipment related to available resources on the lunar surface at the south pole region with long-term remote operation | |
| UC-U-718 L | Deployment and operation of utilization payload(s) and/or equipment related to available resources at distributed locations on the lunar surface with long-term remote operation | |
| UC-U-719 L | Monitoring, characterization, and advance warning for natural environmental threats on the lunar surface, e.g., high energy debris, natural radiation level, thermal conditions, plasma environments, and electrostatic charges | #0307 (no function) |
| UC-U-720 L | Monitoring, characterization, and advance warning for induced environmental threats on the lunar surface, e.g., induced radiation level, thermal conditions, high-energy debris, contamination, electrostatic, and acoustics | #0307 (no function) |
| UC-U-721 L | Monitoring, characterization, and advance warning for natural environmental threats in cislunar space, e.g., high energy debris, natural radiation level, thermal conditions, plasma environments, and electrostatic charges | #0307 (no function) |
| UC-U-722 L | Monitoring, characterization, and advance warning for induced environmental threats in cislunar space, e.g., induced radiation level, thermal conditions, high-energy debris, contamination, electrostatic, and acoustics | #0307 (no function) |
| UC-U-723 L | Deployment and operation of utilization payload(s) and/or equipment related to bio-regenerative oxygen and water recovery at assets in cislunar space | #0303 (FN-U-601 L) |
| UC-U-724 L | Deployment and operation of utilization payload(s) and/or equipment related to reduced gravity materials and processes science experiments, other extreme environments-related research, and associated modeling to support in-space technologies related to support bioregenerative ECLSS | |
| UC-U-725 L | Deployment and operation of utilization payload(s) and/or equipment related to plant growth at assets in cislunar asset(s) | #0305 (FN-U-602 L) |
| UC-U-726 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of maintenance and repair of asset(s) | |
| UC-U-727 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of equipment recovery from surface asset(s) | |
| UC-U-728 L | Deployment and operation of utilization payload(s) and/or equipment related to demonstration of recovery of excess propellant from surface asset(s) | #1107 (FN-U-502 L) |
| UC-U-801 L | Preservation of lunar far side environment to ensure scientific data integrity | |
| UC-U-802 L | Reduction of blast ejecta to limit the migration of ejecta across the lunar surface | |
| UC-U-803 L | Reduction of path erosion, dust lofting, and sample contamination | |
| UC-U-804 L | Limitation of the spread of dust raised by lunar surface operations | #0801 (no function) |
| UC-U-805 L | Landing of exploration missions at sites removed from sites of historic significance | |
| UC-U-806 L | Repurposing of hardware and materials brought to the surface for subsequent missions | |
| UC-U-807 L | Conduct of end-of-life operations |
Numbering (the wiki's check of the IDs above). Within each hundreds group the numbers run without a break, but some hundreds are skipped: there is no UC-L-1xx L, UC-P-2xx L, UC-P-4xx L, UC-M-2xx L, UC-M-5xx L or UC-U-4xx L. No source explains the skips.
The UC-U-8xx L group (blast ejecta, dust, historic sites, reuse, end of life) covers ground that the RT-6 Responsible Use and RT-5 Maintainability and Reuse tenets discuss. The ADD doesn't link them; the pairing is the wiki's.
In the 2024 lunar table¶
NASA's 2024 Lunar Objective Mapping Tables list 162 lunar use cases, all of them with the same IDs as here (the wiki's comparison; 2024 lunar table).
- One is new in 2025: UC-G-101 L, "Ground support on Earth for the launch of large nuclear assets".
- 24 titles differ, ten of them beyond spelling. Mostly these are the duration words: "moderate-duration" became "mid-duration" and "extended-duration" became "long-duration" (UC-H-103 L, UC-H-104 L, UC-X-103 L, UC-X-104 L, UC-U-503 L, UC-U-504 L). UC-T-501 L's "flight systems" became "in-space systems". The other 14 are spelling ("sub-surface", "long term", "non- PSRs").
- Characteristics and needs. In 2024 every use case sits under at least one characteristic or need; the list is on Lunar characteristics and needs.
Related pages¶
Use cases and functions · Lunar functions · Mars use cases · Lunar characteristics and needs · Objective decomposition · Lunar objectives · Sub-architectures · Gaps index · Moon Base Phase 1 functional gaps
Sources¶
ADD Rev C, pp. 4, 17, 40, 110–117 (PDF checked) ·
Tech gaps spreadsheet,
"Architecture Traceability: Use Cases & Functions" column ·
Lunar objective decomposition spreadsheet,
"FE+ Use Cases" and "FE+ Functions to Use Cases" ·
2024 lunar table, use-cases.csv